31029680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 80

約数和(自身を含む): 80914464

約数和(自身を除く): 49884784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 953, 1480, 1628, 1906, 2035, 2960, 3256, 3812, 4070, 4765, 6512, 7624, 8140, 9530, 10483, 15248, 16280, 19060, 20966, 32560, 35261, 38120, 41932, 52415, 70522, 76240, 83864, 104830, 141044, 167728, 176305, 209660, 282088, 352610, 387871, 419320, 564176, 705220, 775742, 838640, 1410440, 1551484, 1939355, 2820880, 3102968, 3878710, 6205936, 7757420, 15514840, 31029680]

約数ペア:

[(1, 31029680), (2, 15514840), (4, 7757420), (5, 6205936), (8, 3878710), (10, 3102968), (11, 2820880), (16, 1939355), (20, 1551484), (22, 1410440), (37, 838640), (40, 775742), (44, 705220), (55, 564176), (74, 419320), (80, 387871), (88, 352610), (110, 282088), (148, 209660), (176, 176305), (185, 167728), (220, 141044), (296, 104830), (370, 83864), (407, 76240), (440, 70522), (592, 52415), (740, 41932), (814, 38120), (880, 35261), (953, 32560), (1480, 20966), (1628, 19060), (1906, 16280), (2035, 15248), (2960, 10483), (3256, 9530), (3812, 8140), (4070, 7624), (4765, 6512)]